:root {
  --paper: #F7F6F2;
  --paper-2: #EDEBE4;
  --ink: #111111;
  --rule: #D8D6D0;
  --accent: #002FA7;
  --vermilion: #D9381E;
  --serif: "Playfair Display", "Times New Roman", serif;
  --sans: Inter, Pretendard, -apple-system, "Segoe UI", sans-serif;
  --ko: Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --pad: clamp(1rem, 4vw, 3rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1rem/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
:lang(ko) { font-family: var(--ko); word-break: keep-all; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); margin: 0; line-height: 1.1; font-weight: 700; }
em { font-style: italic; color: var(--accent); }
p { margin: 0 0 1em; }
.mono { font-family: var(--mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.small { font-size: .85rem; }
.wrap { width: min(1200px, 100% - 2 * var(--pad)); margin-inline: auto; }
.skip { position: absolute; left: -999px; background: var(--ink); color: var(--paper); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: 0; }
.kicker { color: var(--accent); margin-bottom: 1rem; }

/* Masthead */
.meta-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .25rem 1.5rem; padding: .6rem var(--pad); background: var(--ink); color: var(--paper); }
.masthead-main { text-align: center; padding: clamp(2rem, 6vw, 4rem) 0 1.25rem; }
.brand { font-size: clamp(3.5rem, 15vw, 11rem); font-weight: 900; letter-spacing: -.03em; line-height: .9; }
.tagline { margin: 1rem 0 0; font-family: var(--serif); font-style: italic; font-size: clamp(1rem, 2.4vw, 1.4rem); }
.tagline span { display: block; font-family: var(--ko); font-style: normal; font-size: .85rem; opacity: .65; margin-top: .25rem; }
.nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .5rem 2rem; padding: .9rem 0; border-block: 1px solid var(--ink); }
.nav a { text-decoration: none; padding: .25rem 0; }
.nav a:hover { color: var(--accent); }

/* Hero */
.hero { display: grid; gap: 2rem; padding-block: clamp(2.5rem, 7vw, 5rem); border-bottom: 1px solid var(--rule); }
.hero h2 { font-size: clamp(2.4rem, 6.5vw, 5rem); letter-spacing: -.02em; margin-bottom: 1.5rem; }
.deck { font-size: 1.15rem; max-width: 52ch; }
.deck-ko { color: #444; max-width: 52ch; }
.byline { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.poster { margin: 0; }
.poster svg { display: block; width: 100%; height: auto; border: 1px solid var(--ink); }
.poster figcaption { margin-top: .6rem; font-size: .65rem; color: #555; }

/* Manifesto */
.manifesto { padding-block: clamp(3rem, 8vw, 6rem); background: var(--paper-2); border-bottom: 1px solid var(--rule); }
.manifesto h2 { font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 2rem; max-width: 20ch; }
.cols { display: grid; gap: 1.5rem; }
.cols p { margin: 0; }
.dropcap::first-letter { font-family: var(--serif); font-weight: 900; font-size: 4.2em; float: left; line-height: .8; padding: .08em .1em 0 0; color: var(--accent); }
.ko-col { color: #333; }

/* Index */
.columns { padding-block: clamp(3rem, 8vw, 6rem); }
.section-head { margin-bottom: 2rem; }
.section-head h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
.index { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.entry { display: grid; grid-template-columns: auto 1fr; gap: .5rem 1.25rem; padding-block: 1.75rem; border-bottom: 1px solid var(--rule); }
.num { font-family: var(--serif); font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 400; color: var(--accent); line-height: 1; letter-spacing: 0; }
.tag { color: var(--vermilion); margin-bottom: .5rem; }
.entry h3 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: .75rem; }
.abstract { max-width: 62ch; }
.ko { font-size: .9rem; color: #555; margin: 0; }
.entry-side { grid-column: 2; display: flex; gap: 1.25rem; align-items: center; }
.preview-btn { font: inherit; letter-spacing: inherit; text-transform: inherit; background: none; border: 0; border-bottom: 1px solid var(--ink); padding: .25rem 0; cursor: pointer; color: var(--ink); }
.preview-btn:hover { color: var(--accent); border-color: var(--accent); }

/* Briefing */
.briefing { background: var(--ink); color: var(--paper); padding-block: clamp(3rem, 8vw, 6rem); }
.briefing .kicker { color: #8FA8FF; }
.briefing h2 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 2.5rem; }
.brief-grid { display: grid; gap: 0; border-top: 1px solid #444; }
.brief-grid article { padding: 1.5rem 0; border-bottom: 1px solid #444; }
.brief-grid h3 { font-size: 1.5rem; margin-bottom: .5rem; }
.code { color: #FF8A73; margin-bottom: .5rem; }
.brief-grid .ko { color: #B8B6B0; }
.disclaimer { margin: 2rem 0 0; color: #B8B6B0; }

/* Subscribe */
.subscribe { padding-block: clamp(3rem, 8vw, 6rem); }
.sub-box { border: 1px solid var(--ink); padding: clamp(1.5rem, 5vw, 4rem); max-width: 760px; margin-inline: auto; box-shadow: 8px 8px 0 var(--accent); background: var(--paper); }
.sub-box h2 { font-size: clamp(1.8rem, 4.5vw, 3rem); margin-bottom: 1rem; }
.sub-box label { display: block; margin-bottom: .5rem; }
.field { display: flex; flex-wrap: wrap; gap: .75rem; }
.field input { flex: 1 1 240px; font: inherit; padding: .85rem 1rem; border: 1px solid var(--ink); background: #fff; border-radius: 0; color: var(--ink); }
.field button { font: 500 .85rem var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: .85rem 1.5rem; background: var(--accent); color: var(--paper); border: 1px solid var(--accent); border-radius: 0; cursor: pointer; transition: background .2s; }
.field button:hover { background: var(--ink); border-color: var(--ink); }
.form-msg { margin: 1rem 0 0; min-height: 1.6em; font-weight: 500; }
.form-msg.ok { color: #0B6B3A; }
.form-msg.err { color: var(--vermilion); }
.field input[aria-invalid="true"] { border-color: var(--vermilion); }

/* Footer */
.colophon { border-top: 2px solid var(--ink); padding-block: 2.5rem; }
.foot-grid { display: grid; gap: 1.5rem; }
.foot-brand { font-family: var(--serif); font-weight: 900; font-size: 1.8rem; margin: 0 0 .25rem; }
.colophon p { margin-bottom: .4rem; }

/* Dialog */
dialog { border: 1px solid var(--ink); background: var(--paper); color: var(--ink); padding: 2rem; max-width: min(560px, calc(100% - 2rem)); box-shadow: 8px 8px 0 var(--accent); }
dialog::backdrop { background: rgb(17 17 17 / .55); }
dialog h3 { font-size: 1.8rem; margin-bottom: 1rem; }
.pv-close { position: absolute; top: .75rem; right: .75rem; margin: 0; }
.pv-close button { background: none; border: 1px solid var(--ink); width: 2rem; height: 2rem; cursor: pointer; color: var(--ink); }
.pv-close button:hover { background: var(--ink); color: var(--paper); }

/* Responsive */
@media (min-width: 700px) {
  .cols { grid-template-columns: 1fr 1fr; column-gap: 3rem; }
  .ko-col { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
  .brief-grid { grid-template-columns: repeat(2, 1fr); }
  .brief-grid article { padding-right: 2rem; }
  .brief-grid article:nth-child(even) { padding: 1.5rem 0 1.5rem 2rem; border-left: 1px solid #444; }
  .foot-grid { grid-template-columns: 1fr 1fr 1.6fr; }
}
@media (min-width: 960px) {
  .hero { grid-template-columns: 1.25fr 1fr; gap: 4rem; align-items: center; }
  .cols { grid-template-columns: 1fr 1fr 1fr; }
  .ko-col { grid-column: auto; padding-top: 0; border-top: 0; border-left: 1px solid var(--rule); padding-left: 3rem; }
  .entry { grid-template-columns: 6rem 1fr 10rem; }
  .entry-side { grid-column: auto; flex-direction: column; align-items: flex-end; justify-content: space-between; }
  .brief-grid { grid-template-columns: repeat(4, 1fr); }
  .brief-grid article, .brief-grid article:nth-child(even) { padding: 1.5rem 1.5rem 1.5rem 1.5rem; border-left: 1px solid #444; }
  .brief-grid article:first-child { border-left: 0; padding-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}